POV-Ray : Newsgroups : povray.off-topic : Mac Plus vs AMD Dual Core : Re: Mac Plus vs AMD Dual Core Server Time
11 Oct 2024 23:10:04 EDT (-0400)
  Re: Mac Plus vs AMD Dual Core  
From: Orchid XP v7
Date: 19 Oct 2007 13:09:01
Message: <4718e4ad$1@news.povray.org>
Darren New wrote:
> Orchid XP v7 wrote:
>> Darren New wrote:
>>
>>>> One of the ways they kept the Amiga cheap was by not including the 
>>>> hardware necessary for implementing virtual memory...)
>>>
>>> The CPU didn't even support it, just like pre-386 days.
>>
>> Correction: The Morotola 68000 series *does* have an optional MMU. And 
>> that's just it - optional. There was a special board you could get to 
>> install a replacement CPU with an MMU fitted,
> 
> Right.  A replacement CPU.  I.e., the 68000 didn't support virtual 
> memory. The 68010 did. So you replace the 68000 with a 68010, and you 
> can do virtual memory.
> 
> And the 68020 supports 32-bit addressing.

I emphasise: The Morotola 68000 *series*. (Of which different Amigas had 
varying versions.)

My point is, the hardware supports it if you pay extra money. It's just 
an extra-cost option rather than standard like these days. (There was 
also a big performance hit, IIRC...)


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